chr start stop reference nuc variant nuc depth genic status zygosity variant ID 6 146330671 146330672 C T 17 GENIC homozygous 56509742 6 146331746 146331754 GTGTGTGT -------- 2 GENIC homozygous 56509743 6 146332909 146332910 C T 10 GENIC homozygous 56509744